A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA, GENERALLY WITHIN 48 HOURS.

INTERESTS ELSEWHERE IN THE MAIN HAWAIIAN ISLANDS SHOULD MONITOR THE
PROGRESS OF ANA. WATCHES MAY BE REQUIRED FOR ADDITIONAL ISLANDS
ON THURSDAY.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA, PLEASE MONITOR
PRODUCTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
HONOLULU HAWAII.

DISCUSSION AND 48-HOUR OUTLOOK

At 1100 pm HST, 0900 UTC, the center of tropical storm Ana was located near latitude 14.1 north, longitude 149.3 west. Ana is currently moving toward the west near 10 mph, 17 km/h. Ana is expected to gradually turn toward the northwest by early Thursday, and maintain this motion through Friday. On the forecast track, the center of Ana will pass near the Big Island Friday night and Saturday.

Maximum sustained winds are near 60 mph, 95 km/h, with higher gusts. Ana is forecast to gradually intensify and become a hurricane by Friday.

WIND

Tropical storm conditions are possible on the Big Island of Hawaii starting late Friday.

SURF

Large swells produced by Ana are possible over the eastern end of the main Hawaiian islands starting late Thursday. These large swells will continue to spread across the island chain through the weekend. Surf produced by these swells may be potentially damaging along some shorelines starting on Friday.

RAINFALL

Heavy rainfall associated with Ana may reach the Big Island of Hawaii late Friday. These rains could cause life-threatening flash floods and mud slides.